It has been developed in a somewhat exaggerated form, of late years, by several psychologists of the new school (Parlagreco and Lombroso in Italy, Nisbet in England), who attempt to prove that Michelangelo was the subject of neurotic disorder.

But simultaneously with its second edition (1878) there appeared two monographs, which constituted the embryo of the new school, supplementing the anthropological studies of Lombroso with conclusions and systematizations from the point of view of sociology and law.